Features: Enhances your maritime communication with the transceiver, ensuring real time data transmission between vessels and coastal stations for improved navigation safety. Designed with a UHF splitter, this device efficiently distributes signals to multiple devices, offering flexibility and expandability for diverse maritime communication needs. Two TDMA receivers receiving data in two independent channels at the same time, TDMA transmitter is transmitting in two independent channels alternately. Transponder have external serial data interface. Ransmit and reciever safety message, and equipped with "SOS" safety button. Support three operation mode: Carriers sense mode, assigned mode and polled mode. Alarm and indication (via LED) for power , error, time-out, condition. Specifications: Component:Metal Size:Approx.234x167x40mm/9.21x6.57x1.57inch Color: Black STANDARDS: IEC 62297-1 IEC 61162-1 IEC 60945-2002 Frequency Range:156.025MHZ ~ 162.025MHZ Channel Bandwidth:25KHZ Maximumly. Usable Sensitivity:PER less 20% at -107dBm Power Output:5 Watt ( 33 dBm 1.5dB ) Modulation:GMSK / FM Data Rate:9.6K dps / per channel Modulation Spectrum:IEC 62287 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings. Package includes: 1 Set Marine AIS Transceiver